Wood & Craft
Workshop challenge: 30 seconds

This Woodworking Plan Looks Fine. It Will Ruin Your Project. Can You Spot Why?

One line in this cut list costs you a whole Saturday and a stack of lumber. Most people miss it, then blame themselves.

Step 1 of 2 · Find the mistake
A garden bench cut list

Which line wastes your Saturday?

Step 2 of 2 · The answer

The cut list with the seat width line circled

The seat width line. Three 2x4 slats laid flat are not 12 inches wide. A "2x4" is really about 1½ by 3½ inches, so three of them make 10½ inches. Every piece cut to fit a 12-inch seat comes out wrong.

Picture it. You cut every part Saturday morning. By afternoon the slats sit 1½ inches shy of the frame, a gap you can slide your fingers into. And the thought creeps in: maybe I'm just not handy.

You are. Notice the apron line gets it right (it uses 3½). Same plan, two different answers: that's what happens when a plan is drawn on a screen and never built.

  • Measurements that are close but not close enough. A 1/16" error on screen becomes a joint that won't close in your shop.
  • Steps that skip the hard part. No assembly order, no way to square it.
  • Diagrams that show the finished piece but not how to get there.
Ted McGrath
The fix: plans built in a real shop first
According to Ted McGrath, a 1989 magazine plan that assumed nominal lumber sizes left three of his students stuck by step six. Since then he builds every plan before releasing it.
Next: a short video from Ted McGrath
Ted McGrath in his workshopHi. My name is Ted McGrath.

It was the plan, not you. In a short video on the next page, Ted shows you how you can build it yourself, instead of spending a fortune hiring someone to do it for you.

Watch Ted show you how →
Short videoOpens on the next page